// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Luxor ABC-55/77 keyboard emulation Copyright MESS Team. Visit http://mamedev.org for licensing and usage restrictions. *********************************************************************/ #pragma once #ifndef __ABC77__ #define __ABC77__ #include "emu.h" #include "cpu/mcs48/mcs48.h" #include "abckb.h" #include "sound/discrete.h" #include "sound/speaker.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> abc77_device class abc77_device : public device_t, public abc_keyboard_interface { public: // construction/destruction abc77_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); abc77_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); // optional information overrides virtual const rom_entry *device_rom_region() const; virtual machine_config_constructor device_mconfig_additions() const; virtual ioport_constructor device_input_ports() const; // abc_keyboard_interface overrides virtual void txd_w(int state); DECLARE_INPUT_CHANGED_MEMBER( keyboard_reset ); DECLARE_READ8_MEMBER( p1_r ); DECLARE_WRITE8_MEMBER( p2_w ); DECLARE_READ8_MEMBER( t1_r ); DECLARE_WRITE8_MEMBER( prog_w ); DECLARE_WRITE8_MEMBER( j3_w ); protected: // device-level overrides virtual void device_start(); virtual void device_reset(); virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr); enum { TIMER_SERIAL, TIMER_RESET }; inline void serial_output(int state); inline void serial_clock(); inline void key_down(int state); required_device m_maincpu; required_device m_discrete; required_ioport m_x0; required_ioport m_x1; required_ioport m_x2; required_ioport m_x3; required_ioport m_x4; required_ioport m_x5; required_ioport m_x6; required_ioport m_x7; required_ioport m_x8; required_ioport m_x9; required_ioport m_x10; required_ioport m_x11; required_ioport m_dsw; int m_txd; // transmit data int m_keylatch; // keyboard row latch int m_keydown; // key down int m_clock; // transmit clock int m_hys; // hysteresis int m_reset; // reset int m_stb; // strobe UINT8 m_j3; // timers emu_timer *m_serial_timer; emu_timer *m_reset_timer; }; class abc55_device : public abc77_device { public: // construction/destruction abc55_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); // optional information overrides virtual ioport_constructor device_input_ports() const; }; // device type definition extern const device_type ABC77; extern const device_type ABC55; #endif